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fix: Diskspace check #541

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merged 2 commits into from
Jan 5, 2024
Merged

fix: Diskspace check #541

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0890126
fix: Diskspace check
kroese Jan 5, 2024
d8e417b
fix: Diskspace checks
kroese Jan 5, 2024
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61 changes: 27 additions & 34 deletions src/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ set -Eeuo pipefail

: ${URL:=''} # URL of the PAT file to be downloaded.

if [ -f "$STORAGE"/dsm.ver ]; then
if [ -f "$STORAGE/dsm.ver" ]; then
BASE=$(cat "$STORAGE/dsm.ver")
else
# Fallback for old installs
Expand Down Expand Up @@ -37,44 +37,46 @@ fi
BASE=$(basename "$URL" .pat)

if [[ "$URL" != "file://$STORAGE/$BASE.pat" ]]; then
rm -f "$STORAGE"/"$BASE".pat
rm -f "$STORAGE/$BASE.pat"
fi

rm -f "$STORAGE"/"$BASE".agent
rm -f "$STORAGE"/"$BASE".boot.img
rm -f "$STORAGE"/"$BASE".system.img
rm -f "$STORAGE/$BASE.agent"
rm -f "$STORAGE/$BASE.boot.img"
rm -f "$STORAGE/$BASE.system.img"

[[ "$DEBUG" == [Yy1]* ]] && set -x

# Check filesystem
MIN_ROOT=471859200
MIN_SPACE=6442450944
FS=$(stat -f -c %T "$STORAGE")

if [[ "${FS,,}" == "overlay"* ]]; then
info "Warning: the filesystem of $STORAGE is OverlayFS, this usually means it was binded to an invalid path!"
fi

if [[ "${FS,,}" != "fat"* && "${FS,,}" != "vfat"* && "${FS,,}" != "exfat"* && \
"${FS,,}" != "ntfs"* && "${FS,,}" != "fuse"* && "${FS,,}" != "msdos"* ]]; then
if [[ "${FS,,}" != "fat"* && "${FS,,}" != "vfat"* && "${FS,,}" != "exfat"* && "${FS,,}" != "ntfs"* && "${FS,,}" != "msdos"* ]]; then
TMP="$STORAGE/tmp"
else
TMP="/tmp/dsm"
TMP_SPACE=2147483648
SPACE=$(df --output=avail -B 1 /tmp | tail -n 1)
if (( MIN_SPACE > SPACE )); then
error "The ${FS^^} filesystem of $STORAGE does not support UNIX permissions, and no space left in container!" && exit 93
SPACE_MB=$(( (SPACE + 1048575)/1048576 ))
if (( TMP_SPACE > SPACE )); then
error "Not enough free space inside the container, have $SPACE_MB MB available but need at least 2 GB." && exit 93
fi
fi

rm -rf "$TMP" && mkdir -p "$TMP"

# Check free diskspace
ROOT_SPACE=536870912
SPACE=$(df --output=avail -B 1 / | tail -n 1)
(( MIN_ROOT > SPACE )) && error "Not enough free space in container root, need at least 450 MB available." && exit 96
SPACE_MB=$(( (SPACE + 1048575)/1048576 ))
(( ROOT_SPACE > SPACE )) && error "Not enough free space inside the container, have $SPACE_MB MB available but need at least 500 MB." && exit 96

MIN_SPACE=8589934592
SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
(( MIN_SPACE > SPACE )) && error "Not enough free space for installation in $STORAGE, have $SPACE_GB GB available but need at least 6 GB." && exit 94
(( MIN_SPACE > SPACE )) && error "Not enough free space for installation in $STORAGE, have $SPACE_GB GB available but need at least 8 GB." && exit 94

# Check if output is to interactive TTY
if [ -t 1 ]; then
Expand Down Expand Up @@ -213,19 +215,22 @@ BOOT=$(find "$TMP" -name "*.bin.zip")
BOOT=$(echo "$BOOT" | head -c -5)
unzip -q -o "$BOOT".zip -d "$TMP"

SYSTEM="$TMP/sys.img"
SYSTEM_SIZE=4954537983
SYSTEM="$STORAGE/$BASE.system.img"
rm -f "$SYSTEM"

# Check free diskspace
SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk, have only $SPACE_GB GB available." && exit 97
SYSTEM_SIZE=4954537983
SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
SPACE_MB=$(( (SPACE + 1048575)/1048576 ))

if (( SYSTEM_SIZE > SPACE )); then
error "Not enough free space in $STORAGE to create a 5 GB system disk, have only $SPACE_MB MB available." && exit 97
fi

if ! touch "$SYSTEM"; then
error "Could not create file $SYSTEM for the system disk." && exit 98
fi

if [[ "${FS,,}" == "xfs" || "${FS,,}" == "zfs" || "${FS,,}" == "btrfs" || "${FS,,}" == "bcachefs" ]]; then
{ chattr +C "$SYSTEM"; } || :
FA=$(lsattr "$SYSTEM")
Expand All @@ -241,17 +246,6 @@ if ! fallocate -l "$SYSTEM_SIZE" "$SYSTEM"; then
fi
fi

# Check if file exists
[ ! -f "$SYSTEM" ] && error "System disk does not exist ($SYSTEM)" && exit 99

# Check the filesize
SIZE=$(stat -c%s "$SYSTEM")

if [[ SIZE -ne SYSTEM_SIZE ]]; then
rm -f "$SYSTEM"
error "System disk has the wrong size: $SIZE vs $SYSTEM_SIZE" && exit 90
fi

PART="$TMP/partition.fdisk"

{ echo "label: dos"
Expand Down Expand Up @@ -318,16 +312,15 @@ fi

rm -rf "$MOUNT"

echo "$BASE" > "$STORAGE"/dsm.ver
echo "$BASE" > "$STORAGE/dsm.ver"

if [[ "$URL" == "file://$STORAGE/$BASE.pat" ]]; then
rm -f "$PAT"
else
mv -f "$PAT" "$STORAGE"/"$BASE".pat
mv -f "$PAT" "$STORAGE/$BASE.pat"
fi

mv -f "$BOOT" "$STORAGE"/"$BASE".boot.img
mv -f "$SYSTEM" "$STORAGE"/"$BASE".system.img
mv -f "$BOOT" "$STORAGE/$BASE.boot.img"

rm -rf "$TMP"

Expand Down